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crwdns2944351:0crwdnd2944351:0MacBook Pro 15" Unibody 2.53 GHz Mid 2009 Battery Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Jeff Suovanencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen

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Introduction
Replacing the battery on your MacBook Pro 15" Unibody 2.53 GHz requires a 1.5 mm flathead screwdriver to remove the five-point Pentalobe screws securing it to the upper case.
Use this guide to replace an old or faulty battery. If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].